/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorUtilities.h
Changes the referenced parent version and optionally runs the python upgrade scripts.
namespace FNiagaraEditorUtilities { void FNiagaraEditorUtilities::SwitchParentEmitterVersion ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FNiagaraEmitterViewModel](API\Plugins\NiagaraEditor\ViewModels\FNiagaraEmitterViewModel) > EmitterViewModel, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FNiagaraSystemViewModel](API\Plugins\NiagaraEditor\ViewModels\FNiagaraSystemViewModel) > SystemViewModel, const [FGuid](API\Runtime\Core\Misc\FGuid) & NewVersionGuid ) }